minim.nim
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import streams, critbits, parseopt2, strutils, os, asyncdispatch import core/types, core/parser, core/interpreter, core/utils, core/server, vendor/linenoise import lib/min_lang, lib/min_stack, lib/min_num, lib/min_str, lib/min_logic, lib/min_time, lib/min_io, lib/min_sys, lib/min_net, lib/min_comm const version* = "1.0.0-dev" var REPL = false var DEBUGGING = false var PORT = 7500 var ADDRESS = "0.0.0.0" var SRVTHREAD: Thread[ref MinLink] var SERVER = false var HOSTNAME = "" const USE_LINENOISE = true const PRELUDE* = "lib/prelude.min".slurp.strip let usage* = " MiNiM v" & version & " - a tiny concatenative programming language" & """ (c) 2014-2016 Fabio Cevasco Usage: minim [options] [filename] Arguments: filename A minim file to interpret (default: STDIN). Options: -e, --evaluate Evaluate a minim program inline -h, --help Print this help -a, --address Specify server address (default: 0.0.0.0) -p, --port Specify server port (default: 7500) -s, --server Start server remote command execution -v, --version Print the program version -i, --interactive Start MiNiM's Read Eval Print Loop""" var CURRSCOPE*: ref MinScope proc completionCallback*(str: cstring, completions: ptr linenoiseCompletions) {.cdecl.}= var words = ($str).split(" ") var w = if words.len > 0: words.pop else: "" var sep = "" if words.len > 0: sep = " " for s in CURRSCOPE.symbols.keys: if startsWith(s, w): linenoiseAddCompletion completions, words.join(" ") & sep & s proc prompt(s: string): string = var res = linenoise(s) discard $linenoiseHistoryAdd(res) return $res proc stdLib(i: In) = i.lang_module i.io_module i.logic_module i.net_module i.num_module i.stack_module i.str_module i.sys_module i.time_module i.comm_module i.eval PRELUDE proc minimStream(s: Stream, filename: string, debugging = false) = var i = newMinInterpreter(debugging) i.pwd = filename.parentDir i.stdLib() i.open(s, filename) discard i.parser.getToken() i.interpret() i.close() proc minimString*(buffer: string, debugging = false) = minimStream(newStringStream(buffer), "input", debugging) proc minimFile*(filename: string, debugging = false) = var stream = newFileStream(filename, fmRead) if stream == nil: stderr.writeLine("Error - Cannot read from file: "& filename) stderr.flushFile() minimStream(stream, filename, debugging) proc minimFile*(file: File, filename="stdin", debugging = false) = var stream = newFileStream(stdin) if stream == nil: stderr.writeLine("Error - Cannot read from "& filename) stderr.flushFile() minimStream(stream, filename, debugging) proc minimRepl*(i: var MinInterpreter) = i.stdLib() var s = newStringStream("") i.open(s, "") echo "MiNiM v"&version&" - REPL initialized." echo "-> Type 'exit' or 'quit' to exit." var line: string while true: when USE_LINENOISE: CURRSCOPE = i.scope linenoiseSetCompletionCallback completionCallback line = prompt(": ") i.parser.buf = $i.parser.buf & $line i.parser.bufLen = i.parser.buf.len discard i.parser.getToken() try: i.interpret() except: warn getCurrentExceptionMsg() finally: stdout.write "-> " echo i.dump proc minimRepl*(debugging = false) = var i = newMinInterpreter(debugging) i.minimRepl ### var file, s: string = "" for kind, key, val in getopt(): case kind: of cmdArgument: file = key of cmdLongOption, cmdShortOption: case key: of "port", "p": PORT = val.parseInt of "address", "a": if val.strip.len > 0: ADDRESS = val of "server", "s": if val.strip.len > 0: HOSTNAME = val SERVER = true of "debug", "d": DEBUGGING = true of "evaluate", "e": s = val of "help", "h": echo usage quit(0) of "version", "v": echo version quit(0) of "interactive", "i": REPL = true else: discard else: discard if not cfgfile().existsFile: cfgfile().writeFile("{}") if s != "": minimString(s, DEBUGGING) elif file != "": minimFile file, DEBUGGING elif SERVER: var i = newMinInterpreter(DEBUGGING) if HOSTNAME == "": HOSTNAME = ADDRESS & ":" & $PORT var link = newMinLink(HOSTNAME, ADDRESS, PORT, i) # Load hosts try: link.hosts = cfgGet("hosts").critbit except: discard link.hosts[HOSTNAME] = ADDRESS & ":" & $PORT echo "MiNiM v"&version&" - Host '", HOSTNAME,"' started on ", ADDRESS, ":", PORT proc srv(link: ref MinLink) = link.init() runForever() createThread(SRVTHREAD, srv, link) i.minimRepl elif REPL: minimRepl DEBUGGING quit(0) else: minimFile stdin, "stdin", DEBUGGING if SERVER: joinThreads([SRVTHREAD]) |